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What is the Least Common Multiple of 55528 and 55540?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 55528 and 55540 is 771006280.

LCM(55528,55540) = 771006280

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Least Common Multiple of 55528 and 55540 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 55528 and 55540, than apply into the LCM equation.

GCF(55528,55540) = 4
LCM(55528,55540) = ( 55528 × 55540) / 4
LCM(55528,55540) = 3084025120 / 4
LCM(55528,55540) = 771006280

Least Common Multiple (LCM) of 55528 and 55540 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 55528 and 55540. First we will calculate the prime factors of 55528 and 55540.

Prime Factorization of 55528

Prime factors of 55528 are 2, 11, 631. Prime factorization of 55528 in exponential form is:

55528 = 23 × 111 × 6311

Prime Factorization of 55540

Prime factors of 55540 are 2, 5, 2777. Prime factorization of 55540 in exponential form is:

55540 = 22 × 51 × 27771

Now multiplying the highest exponent prime factors to calculate the LCM of 55528 and 55540.

LCM(55528,55540) = 23 × 111 × 6311 × 51 × 27771
LCM(55528,55540) = 771006280